diff --git a/API.md b/API.md
index 3c52e38..5f7563e 100644
--- a/API.md
+++ b/API.md
@@ -94,7 +94,7 @@ Returns the packet size or `0` if no packet was received.
 ### Packet RSSI
 
 ```arduino
-int rssi = LoRa.packetRSSI();
+int rssi = LoRa.packetRssi();
 ```
 
 Returns the RSSI of the received packet.
diff --git a/examples/LoRaReceiver/LoRaReceiver.ino b/examples/LoRaReceiver/LoRaReceiver.ino
index aa7af1d..ccbb453 100644
--- a/examples/LoRaReceiver/LoRaReceiver.ino
+++ b/examples/LoRaReceiver/LoRaReceiver.ino
@@ -27,6 +27,6 @@ void loop() {
 
     // print RSSI of packet
     Serial.print("' with RSSI ");
-    Serial.println(LoRa.packetRSSI());
+    Serial.println(LoRa.packetRssi());
   }
 }
diff --git a/keywords.txt b/keywords.txt
index c29dd03..2379223 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -19,7 +19,7 @@ beginPacket	KEYWORD2
 endPacket	KEYWORD2
 
 parsePacket	KEYWORD2
-packetRSSI	KEYWORD2
+packetRssi	KEYWORD2
 
 write	KEYWORD2
 
diff --git a/src/LoRa.cpp b/src/LoRa.cpp
index 0c3b9b5..41e63ef 100644
--- a/src/LoRa.cpp
+++ b/src/LoRa.cpp
@@ -154,7 +154,7 @@ int LoRaClass::parsePacket()
   return packetLength;
 }
 
-int LoRaClass::packetRSSI()
+int LoRaClass::packetRssi()
 {
   return (readRegister(REG_PKT_RSSI_VALUE) - 164);
 }
diff --git a/src/LoRa.h b/src/LoRa.h
index 1d7e760..f3e8072 100644
--- a/src/LoRa.h
+++ b/src/LoRa.h
@@ -15,7 +15,7 @@ public:
   int endPacket();
 
   int parsePacket();
-  int packetRSSI();
+  int packetRssi();
 
   // from Print
   virtual size_t write(uint8_t byte);